PLANET VIP-281SW - Manual (Page 55)

Time Zone Setting
You can maintain the system time by synchronizing with a public time server over the Internet.
Current Time Input current time manually.
Time Zone Select Select local time zone according to location.
Enable NTP client
update
Check to enable NTP update. Once this function is enabled,
Router will automatically update current time from NTP server.
NTP server User may select prefer NTP sever or input address of NTP
server manually.
Denial-of-Service
A "denial-of-service" (DoS) attack is characterized by an explicit attempt by hackers to prevent
legitimate users of a service from using that service.
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